mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
19dbed7cc8
git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@401 6c8d7289-2bf4-0310-a012-ef5d649a1542
93 lines
3.8 KiB
Java
93 lines
3.8 KiB
Java
// plasmaURLPool.java
|
|
// -----------------------
|
|
// part of YaCy
|
|
// (C) by Michael Peter Christen; mc@anomic.de
|
|
// first published on http://www.anomic.de
|
|
// Frankfurt, Germany, 2005
|
|
// last major change: 16.06.2005
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation; either version 2 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program; if not, write to the Free Software
|
|
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
//
|
|
// Using this software in any meaning (reading, learning, copying, compiling,
|
|
// running) means that you agree that the Author(s) is (are) not responsible
|
|
// for cost, loss of data or any harm that may be caused directly or indirectly
|
|
// by usage of this softare or this documentation. The usage of this software
|
|
// is on your own risk. The installation and usage (starting/running) of this
|
|
// software may allow other people or application to access your computer and
|
|
// any attached devices and is highly dependent on the configuration of the
|
|
// software which must be done by the user of the software; the author(s) is
|
|
// (are) also not responsible for proper configuration and usage of the
|
|
// software, even if provoked by documentation provided together with
|
|
// the software.
|
|
//
|
|
// Any changes to this file according to the GPL as documented in the file
|
|
// gpl.txt aside this file in the shipment you received can be done to the
|
|
// lines that follows this copyright notice here, but changes must not be
|
|
// done inside the copyright notive above. A re-distribution must contain
|
|
// the intact and unchanged copyright notice.
|
|
// Contributions and changes to the program code must be marked as such.
|
|
|
|
// this class combines all url storage methods into one. It is the host for all url storage
|
|
|
|
|
|
package de.anomic.plasma;
|
|
|
|
import java.net.URL;
|
|
import java.io.File;
|
|
import java.io.IOException;
|
|
import java.util.Set;
|
|
import java.util.Iterator;
|
|
|
|
public class plasmaURLPool {
|
|
|
|
|
|
public plasmaCrawlLURL loadedURL;
|
|
public plasmaCrawlNURL noticeURL;
|
|
public plasmaCrawlEURL errorURL;
|
|
|
|
public plasmaURLPool(File plasmaPath, int ramLURL, int ramNURL, int ramEURL) throws IOException {
|
|
loadedURL = new plasmaCrawlLURL(new File(plasmaPath, "urlHash.db"), ramLURL);
|
|
noticeURL = new plasmaCrawlNURL(plasmaPath, ramNURL);
|
|
errorURL = new plasmaCrawlEURL(new File(plasmaPath, "urlErr0.db"), ramEURL);
|
|
}
|
|
|
|
public String exists(String hash) {
|
|
// tests if hash occurrs in any database
|
|
// if it exists, the name of the database is returned,
|
|
// if it not exists, null is returned
|
|
if (loadedURL.exists(hash)) return "loaded";
|
|
if (noticeURL.existsInStack(hash)) return "crawler";
|
|
if (errorURL.exists(hash)) return "errors";
|
|
return null;
|
|
}
|
|
|
|
public URL getURL(String urlhash) {
|
|
if (urlhash.equals(plasmaURL.dummyHash)) return null;
|
|
plasmaCrawlNURL.Entry ne = noticeURL.getEntry(urlhash);
|
|
if (ne != null) return ne.url();
|
|
plasmaCrawlLURL.Entry le = loadedURL.getEntry(urlhash);
|
|
if (le != null) return le.url();
|
|
plasmaCrawlEURL.Entry ee = errorURL.getEntry(urlhash);
|
|
if (ee != null) return ee.url();
|
|
return null;
|
|
}
|
|
|
|
public void close() throws IOException {
|
|
loadedURL.close();
|
|
noticeURL.close();
|
|
errorURL.close();
|
|
}
|
|
}
|